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Posts by John Pinnegar

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⏰Deadline to register is 20 April!
Tackle the challenge of accurately mapping fish populations - sign up for ICES Workshop on Fish Distribution 3 (WKFISHDISH3) - Statisticians, stock assessors & marine ecologists are encouraged to register.
📅15 –19 June 📍Copenhagen, Denmark
https://bit.ly/405Ubp5

1 week ago 7 2 0 0

Our paper on ocean warming & fish biomass made headlines—but now it needs to make an impact. 🌊🐟

Science matters more if it leads to action. I’m looking to connect with fisheries managers & policymakers. Who can help bridge this gap? Please share or connect us!
#SciPolicy #MarineEcology #SciComm

1 month ago 6 2 2 0
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Fishing for carbon: Margaret of Ladram supports SeaSTORE research - Fishing News New SeaSTORE research involving the Margaret of Ladram is investigating how bottom trawling affects seabed carbon, aiming to clarify its...

Article in Fishing News about our recent #SeaSTORE cruise on the RRS Discovery #DY206, where we have been working together with the fishing industry to quantify CO2 release in the sediment plume behind trawlers
fishingnews.co.uk/news/fishing...

2 weeks ago 1 1 0 0
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Species range shifts often speed ahead of their modeled climatic niches | PNAS Anticipating how species distributions will shift with climate change is key for biodiversity conservation and management. Commonly, species’ range...

Important new contribution to the study of species range shifts
#rangeshifts #redistributions #climatechange

2 weeks ago 5 1 0 0
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Norwich has just been named the best place to live in the UK and we couldn't be more proud. We love you, Norwich! 🫶

Norwich was crowned winner in The Sunday Times Best Places to Live guide, the only location to have featured in all 14 editions of the guide.

Find out more: https://bit.ly/4lCFCTU

1 month ago 20 8 1 1
Average sediment organic carbon content (OC, %) and (b) the average sediment organic carbon density (SCD, gC cm−3) versus sediment depth (cm) for 19 sediment cores in the Western Irish Sea Mud Belt (WISMB). Error bars represent standard deviations. Dates indicate sediment deposition date estimates (average and range) at 0, 2, 10, 20, 30, 40, and 50 cm.

Average sediment organic carbon content (OC, %) and (b) the average sediment organic carbon density (SCD, gC cm−3) versus sediment depth (cm) for 19 sediment cores in the Western Irish Sea Mud Belt (WISMB). Error bars represent standard deviations. Dates indicate sediment deposition date estimates (average and range) at 0, 2, 10, 20, 30, 40, and 50 cm.

Depth-resolved OC content and sediment accumulation rates in the Western Irish Sea Mud Belt (WISMB): OC content (0.15%–1.62%), OC storage (1.30–15.15 gC cm−3), and sediment accumulation rates (0.26–0.37 cm yr−1) vary spatially and temporally
agupubs.onlinelibrary.wiley.com/doi/10.1029/...

4 weeks ago 3 1 0 0
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Seabed Carbon Risks: What Our Evidence Shows A new technical briefing reviews the latest evidence on how trawling, other human activities and climate change affect seabed carbon.

A new review brings together over 30 UK & international scientists to assess the latest evidence on how human activities, including bottom trawling and climate pressures affect seabed organic carbon stores.

Read the blog to see what the evidence shows👇🌊

marinescience.blog.gov.uk/2026/02/25/s...

1 month ago 10 5 1 0
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📢 PAPER ALERT 🚨
A new study led by Camila Artana and Andrea Kaplan reveals how marine heatwaves are reshaping Western Mediterranean ecosystems. Their frequency, intensity, and depth are rising fast — with major ecological consequences.

#MediterraneanInFlux

ICM-CSIC

2 months ago 7 8 1 1

Well done, I really struggle to pick out Caspian gulls, unless they are mature adults.

2 months ago 1 0 0 0
A colour photograph of an invitation card to the celebration dinner for the opening of the Marine Biological Association in Plymouth. The invitation is addressed to W. Garstang

A colour photograph of an invitation card to the celebration dinner for the opening of the Marine Biological Association in Plymouth. The invitation is addressed to W. Garstang

#OTD in 1868 Walter Garstang was born. During his time @thembauk.bsky.social Garstang focused on investigating North Sea fisheries. He was involved with the establishment of a fisheries laboratory at Lowestoft, which has since become @cefasgovuk.bsky.social
📸 MBA Archive ref PGA1.2

2 months ago 6 5 0 0
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Lecturer in Physical Oceanography (ATR1734) in University of East Anglia | UEA View details and apply for this Lecturer in Physical Oceanography (ATR1734) vacancy in University of East Anglia. Faculty of Science School of Environmental Sciences Lecturer in Physical Oceano...

We are advertising for a Lecturer in Physical Oceanography, closing date 31 March.

If you have research interests in the shelf seas, estuarine and coastal oceans then this could be for you!

And you could do research using UEA's fleet of ocean gliders

vacancies.uea.ac.uk/vacancies/20...

2 months ago 10 25 0 2
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#ICESASC26 Call for abstracts is open!
What are you interested in?
🔥extreme climate events
www.ices.dk/events/asc/2...
🐟climate-smart fisheries
www.ices.dk/events/asc/2...
🌡️climate-driven size changes
www.ices.dk/events/asc/2...
🐟climate impacts on aquaculture
www.ices.dk/events/asc/2...

2 months ago 4 2 0 0
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2025 has been confirmed as the third warmest year on record, following 2024 and 2023, in a series stretching back to 1850.

Data from the Met Office, @uniofeastanglia.bsky.social and @ncas-uk.bsky.social shows 2025 was 1.41 °C above the average for 1850-1900.

Read more 👉 bit.ly/3NkfQH9

3 months ago 106 71 1 5
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🌊 New research out now in ICES Journal of Marine Science!
Using #OneBenthic, we reveal large-scale spatial patterns in marine epifaunal communities. One of four #Cefas papers under OWEC POSEIDON.

🔗 doi.org/10.1093/ices...

🔎 rconnect.cefas.co.uk/POSEIDON/

#BenthicEcology #POSEIDON #OWEC #ICESJMS

3 months ago 7 6 0 0
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📢New paper!

🐟📚Using fish stomach contents spanning over a century, we reveal long-term diet shifts (from larger bivalves to smaller opportunistic prey) in demersal fish species in the western North Sea.

🔗 Open access in Fish & Fisheries: onlinelibrary.wiley.com/doi/epdf/10....

4 months ago 12 8 0 0
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Fantastic visit to Cefas this week, chatting with herring experts and channeling our inner ‘Raiders of the Lost Archives’ 📖🐟

@cefasgovuk.bsky.social @johnkpinnegar.bsky.social @georginahunt.bsky.social @emilyphilly.bsky.social

4 months ago 7 4 0 1
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Century‐Scale Changes in the Feeding Patterns of Demersal Fish Species in the Western North Sea Understanding the extent and magnitude of change in marine food webs requires historical data that predates modern monitoring efforts. Such information can provide invaluable insights into the longer...

See our latest @newcastleuni.bsky.social and Cefas paper by @georginahunt.bsky.social investigating long-term changes in the feeding of fish species in the North Sea. Plaice, dab and haddock exhibited marked dietary shifts throughout the early 20th century onlinelibrary.wiley.com/doi/10.1111/...

4 months ago 3 2 0 0
Southwest Octopus Bloom: Behind the Surge with Keith Hiscock, MBE
Southwest Octopus Bloom: Behind the Surge with Keith Hiscock, MBE YouTube video by The Marine Biological Association

In 2025, an explosion of common octopus appeared across the southwest coast of England

Dr. Keith Hiscock, MBA, explains what led to this “octopus bloom”, how it connects to long-term changes in our seas, and what it could mean for the future of UK marine life.

www.youtube.com/watch?v=nR2l...

6 months ago 5 4 0 0
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Did someone say it's take an octopus to work day?

Brilliant photos from @akwildlifefalmouth showing the extent of the octopus surge in the southwest. This Risso's dolphin seemed to be having fun 🐙

6 months ago 16 3 1 0
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I get that the news cycle is packed right now, but I just heard from a colleague at the Smithsonian that this is fully a GIANT SQUID BEING EATEN BY A SPERM WHALE and it’s possibly the first ever confirmed video according to a friend at NOAA

10 YEAR OLD ME IS LOSING HER MIND (a thread 🧵)

6 months ago 29656 9963 721 1541
1850-2025 time series of global mean temperature anomaly from the HadCRUT5 dataset.

1850-2025 time series of global mean temperature anomaly from the HadCRUT5 dataset.

After a brief (ahem) hiatus, the HadCRUT5 global temperature dataset has now been updated to June 2025 by @metoffice.gov.uk @climateuea.bsky.social and @ncas-uk.bsky.social

7 months ago 115 41 6 2
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Great talk on using historical sources to map herring spawning grounds by @georginahunt.bsky.social for @projectfishistory.bsky.social.

7 months ago 12 5 1 2
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a large body of water with a sail in the foreground and clouds in the background ALT: a large body of water with a sail in the foreground and clouds in the background

🌍🚢🚲 The journey is part of the story!
We’re curious: how did you get to #ICESASC25?

We’re looking for the most sustainable (& maybe surprising!) journey to Klaipeda. Share your travel story & let’s celebrate the many ways our community is reducing its footprint while coming together for science.🌱💙

7 months ago 8 1 1 0
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Join us today & Wedn in #ICESASC25 session R, where you can experience the breadth of @icesmarine.bsky.social science: from marine biodiversity & benthic ecology to fish biology & stock assessment to human dimensions - we have it all covered!
@johnkpinnegar.bsky.social @laurauusitalo.bsky.social

7 months ago 4 3 0 0

Looking forward to seeing you (as one of the co-conveners). I hope you’ve brought an umbrella!

7 months ago 2 0 0 0
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Systematic attribution of heatwaves to the emissions of carbon majors - Nature Climate change made 213 historical heatwaves reported over 2000–2023 more likely and more intense, to which each of the 180 carbon majors (fossil fuel and cement producers) substantially contributed.

🌀📣 “the scientific case for climate liability is closed “ says lead author of NEW Nature study: may be a game changer tracing and attributing climate damages such as from heat waves 🥵 back to emissions from individual fossil fuel companies #ClimateAction #CarbonMajors

www.nature.com/articles/s41...

7 months ago 5 2 0 0
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MARINElife SURVEY OPPORTUNITY: CEFAS PELTIC RESEARCH CRUISE 2025
Cetic & Irish Seas, Western Channel 2-20 Oct From Falmouth
Meals & cabin provided
Requirements: ENG1 medical certificate & Personal Sea Survival Certificate email tom.brereton@marine-life.org.uk if suitable @theseabirdgroup.bsky.social

8 months ago 11 9 0 1
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An unprecedented marine heatwave in 2023 resulted in the global ocean absorbing significantly less CO₂ than anticipated, according to new research involving our School of Environmental Sciences. 🌊🌡️

Read more 👉: bit.ly/41E7BtQ

#CarbonDioxide #OceanSink #ClimateChange

@ueaenv.bsky.social @ethz.ch

7 months ago 7 5 1 0
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OneBenthic unites seabed data from research, government & industry — incl. offshore wind & marine aggregates.

This collaboration underpins the new BGS Predictive Seabed Sediments (UK) dataset (www.bgs.ac.uk/datasets/bgs...), openly available for science & marine management.

#OneBenthic #OpenData

7 months ago 4 2 0 0
Line graph time series of global ocean heat content for the 0-2000 m layer for 3 year averages, yearly averages, and five years averages from the late 1950s to 2025. There is a long-term warming trend. The baseline is 1955-2006 for the zero reference to calculate the anomalies.

Line graph time series of global ocean heat content for the 0-2000 m layer for 3 year averages, yearly averages, and five years averages from the late 1950s to 2025. There is a long-term warming trend. The baseline is 1955-2006 for the zero reference to calculate the anomalies.

Meanwhile, back in reality, global ocean heat content just updated through June 2025 and set a new record high. Time to wake up!

Data (anomalies) & methods from www.ncei.noaa.gov/access/globa...

7 months ago 266 138 12 18